Induced THz transitions in Rydberg caesium atoms for application in antihydrogen experiments M. Vieille-Grosjean, E. Dimova, Z. Mazzotta, D. Comparat, T. Wolz and C. Malbrunot Eur. Phys. J. D, 75 1 (2021) 27 Published online: 21 January 2021 DOI: 10.1140/epjd/s10053-020-00013-3